Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
An analyst would like to predict water consumption in a city based on daily temperature. She has gathered the following data for a random sample of n=7 days.
Temperature Water Consumption
(x) (million gallons) (y)
40 225
5 25
25 150
15 100
10 75
30 125
35 175
Ex=160, Ey=875, SSxx=1042.857, SSyy=26250, SSxy=5000
a) Describe the type of relationship that would be expected between temperature and water consumption.
b) Test at the 2.5% level of significance whether B is positive. Use the critical value approach. Assume sb=0.6609
c) Construct a 90% prediction interval for the water consumption on a particular day when the temperature is 28 degrees Celsius. Assume Se= 21.34
A two tailed test is conducted at 5% significance level what is the P-value required to reject the null hypothesis.
All things being equal, when we have a two-tailed Alternative Hypothesis test it is easier to reject the Null Hypothesis (when compared to a one-tailed test).
Suppose that the probability that any particle emitted by a radioactive material will penetrate a certain shield is 0.01
two marbles are selected one at a time from a jar of marbles containing 10 black 10 brown 10 white and 10 green
in a small town the relationship between robberies and police officers on aduty has been collected. x represents the
At the 0.05 level of significance, is there sufficient reason to believe that the integers are not being generated uniformly?
A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical.
according to the records of an eletric company sering the boston area the monthly electric consumption during winter
What is the probability that all four have Alzheimer's disease?- What is the probability that exactly one has Alzheimer's disease?
Prepare a more than ogive curve with imaginary figures. Illustrate graphically the distinction between a frequency polygon, a histogram and an ogive curve. Comment on their uses.
How much production capacity should the manufacturer reserve for the last day?
in basketball a players free throws percentage ft is expressed as a number between 0 and 1 which represents the
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd